20313403133 has 8 divisors (see below), whose sum is σ = 21015590400. Its totient is φ = 19611330928.

The previous prime is 20313403129. The next prime is 20313403141. The reversal of 20313403133 is 33130431302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20313403133 - 2² = 20313403129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20313403099 and 20313403108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313403163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488060 + ... + 528042.

It is an arithmetic number, because the mean of its divisors is an integer number (2626948800).

Almost surely, 2^20313403133 is an apocalyptic number.

It is an amenable number.

20313403133 is a deficient number, since it is larger than the sum of its proper divisors (702187267).

20313403133 is a wasteful number, since it uses less digits than its factorization.

20313403133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57531.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 20313403133 its reverse (33130431302), we get a palindrome (53443834435).

The spelling of 20313403133 in words is "twenty billion, three hundred thirteen million, four hundred three thousand, one hundred thirty-three".